1 /* 2 * Test block device write threshold 3 * 4 * This work is licensed under the terms of the GNU LGPL, version 2 or later. 5 * See the COPYING.LIB file in the top-level directory. 6 * 7 */ 8 9 #include "qemu/osdep.h" 10 #include "block/block_int.h" 11 #include "block/write-threshold.h" 12 13 14 static void test_threshold_not_trigger(void) 15 { 16 uint64_t threshold = 4 * 1024 * 1024; 17 BlockDriverState bs; 18 19 memset(&bs, 0, sizeof(bs)); 20 21 bdrv_write_threshold_set(&bs, threshold); 22 bdrv_write_threshold_check_write(&bs, 1024, 1024); 23 g_assert_cmpuint(bdrv_write_threshold_get(&bs), ==, threshold); 24 } 25 26 27 static void test_threshold_trigger(void) 28 { 29 uint64_t threshold = 4 * 1024 * 1024; 30 BlockDriverState bs; 31 32 memset(&bs, 0, sizeof(bs)); 33 34 bdrv_write_threshold_set(&bs, threshold); 35 bdrv_write_threshold_check_write(&bs, threshold - 1024, 2 * 1024); 36 g_assert_cmpuint(bdrv_write_threshold_get(&bs), ==, 0); 37 } 38 39 40 int main(int argc, char **argv) 41 { 42 g_test_init(&argc, &argv, NULL); 43 g_test_add_func("/write-threshold/not-trigger", test_threshold_not_trigger); 44 g_test_add_func("/write-threshold/trigger", test_threshold_trigger); 45 46 return g_test_run(); 47 } 48